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64286086069 is a prime number
BaseRepresentation
bin111011110111101111…
…111101001110110101
320010221012121112111201
4323313233331032311
52023124214223234
645311013532501
74434032500312
oct736757751665
9203835545451
1064286086069
1125299901a57
1210561344131
1360a67174aa
14317bbd7d09
151a13b89314
hexef7bfd3b5

64286086069 has 2 divisors, whose sum is σ = 64286086070. Its totient is φ = 64286086068.

The previous prime is 64286086063. The next prime is 64286086087. The reversal of 64286086069 is 96068068246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51485879025 + 12800207044 = 226905^2 + 113138^2 .

It is a cyclic number.

It is not a de Polignac number, because 64286086069 - 223 = 64277697461 is a prime.

It is a super-2 number, since 2×642860860692 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64286086063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32143043034 + 32143043035.

It is an arithmetic number, because the mean of its divisors is an integer number (32143043035).

Almost surely, 264286086069 is an apocalyptic number.

It is an amenable number.

64286086069 is a deficient number, since it is larger than the sum of its proper divisors (1).

64286086069 is an equidigital number, since it uses as much as digits as its factorization.

64286086069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 64286086069 in words is "sixty-four billion, two hundred eighty-six million, eighty-six thousand, sixty-nine".